ALAMEDA CREEK - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Apr 09 2026 at 1:02 PM PDTNext Issuance: Apr 10 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  04/09/2026 at 01:04 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/07/2026 at 10:00 PM PDT
# Maximum Observed Stage:                       3.00 Feet
# Maximum Observed Flow:                        34 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 04:00 AM PDT
# Maximum Forecast Stage:                       4.50 Feet
# Maximum Forecast Flow:                        598 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/04/2026 01 PM PDT            2.93             28                        Normal
  04/04/2026 02 PM PDT            2.93             28         0              Normal
  04/04/2026 03 PM PDT            2.93             28         0              Normal
  04/04/2026 04 PM PDT            2.93             28         0              Normal
  04/04/2026 05 PM PDT            2.93             28         0              Normal
  04/04/2026 06 PM PDT            2.93             28         0              Normal
  04/04/2026 07 PM PDT            2.92             27         -              Normal
  04/04/2026 08 PM PDT            2.92             27         0              Normal
  04/04/2026 09 PM PDT            2.91             26         -              Normal
  04/04/2026 10 PM PDT            2.91             26         0              Normal
  04/04/2026 11 PM PDT            2.91             26         0              Normal
  04/05/2026 12 AM PDT            2.90             25         -              Normal
  04/05/2026 01 AM PDT            2.90             25         0              Normal
  04/05/2026 02 AM PDT            2.90             25         0              Normal
  04/05/2026 03 AM PDT            2.90             25         0              Normal
  04/05/2026 04 AM PDT            2.90             25         0              Normal
  04/05/2026 05 AM PDT            2.90             25         0              Normal
  04/05/2026 06 AM PDT            2.90             25         0              Normal
  04/05/2026 07 AM PDT            2.90             25         0              Normal
  04/05/2026 08 AM PDT            2.90             25         0              Normal
  04/05/2026 09 AM PDT            2.91             26         +              Normal
  04/05/2026 10 AM PDT            2.91             26         0              Normal
  04/05/2026 11 AM PDT            2.91             26         0              Normal
  04/05/2026 12 PM PDT            2.92             27         +              Normal
  04/05/2026 01 PM PDT            2.92             27         0              Normal
  04/05/2026 02 PM PDT            2.93             28         +              Normal
  04/05/2026 03 PM PDT            2.92             27         -              Normal
  04/05/2026 04 PM PDT            2.92             27         0              Normal
  04/05/2026 05 PM PDT            2.92             27         0              Normal
  04/05/2026 06 PM PDT            2.91             26         -              Normal
  04/05/2026 07 PM PDT            2.90             25         -              Normal
  04/05/2026 08 PM PDT            2.90             25         0              Normal
  04/05/2026 09 PM PDT            2.90             25         0              Normal
  04/05/2026 10 PM PDT            2.90             25         0              Normal
  04/05/2026 11 PM PDT            2.90             25         0              Normal
  04/06/2026 12 AM PDT            2.90             25         0              Normal
  04/06/2026 01 AM PDT            2.90             25         0              Normal
  04/06/2026 02 AM PDT            2.91             26         +              Normal
  04/06/2026 03 AM PDT            2.91             26         0              Normal
  04/06/2026 04 AM PDT            2.91             26         0              Normal
  04/06/2026 05 AM PDT            2.91             26         0              Normal
  04/06/2026 06 AM PDT            2.91             26         0              Normal
  04/06/2026 07 AM PDT            2.91             26         0              Normal
  04/06/2026 08 AM PDT            2.91             26         0              Normal
  04/06/2026 09 AM PDT            2.91             26         0              Normal
  04/06/2026 10 AM PDT            2.91             26         0              Normal
  04/06/2026 11 AM PDT            2.91             26         0              Normal
  04/06/2026 12 PM PDT            2.91             26         0              Normal
  04/06/2026 01 PM PDT            2.93             28         +              Normal
  04/06/2026 02 PM PDT            2.94             28         +              Normal
  04/06/2026 03 PM PDT            2.94             28         0              Normal
  04/06/2026 04 PM PDT            2.94             28         0              Normal
  04/06/2026 05 PM PDT            2.94             28         0              Normal
  04/06/2026 06 PM PDT            2.93             28         -              Normal
  04/06/2026 07 PM PDT            2.92             27         -              Normal
  04/06/2026 08 PM PDT            2.91             26         -              Normal
  04/06/2026 09 PM PDT            2.91             26         0              Normal
  04/06/2026 10 PM PDT            2.90             25         -              Normal
  04/06/2026 11 PM PDT            2.91             26         +              Normal
  04/07/2026 12 AM PDT            2.91             26         0              Normal
  04/07/2026 01 AM PDT            2.92             27         +              Normal
  04/07/2026 02 AM PDT            2.93             28         +              Normal
  04/07/2026 03 AM PDT            2.93             28         0              Normal
  04/07/2026 04 AM PDT            2.92             27         -              Normal
  04/07/2026 05 AM PDT            2.91             26         -              Normal
  04/07/2026 06 AM PDT            2.91             26         0              Normal
  04/07/2026 07 AM PDT            2.91             26         0              Normal
  04/07/2026 08 AM PDT            2.91             26         0              Normal
  04/07/2026 09 AM PDT            2.91             26         0              Normal
  04/07/2026 10 AM PDT            2.91             26         0              Normal
  04/07/2026 11 AM PDT            2.91             26         0              Normal
  04/07/2026 12 PM PDT            2.92             27         +              Normal
  04/07/2026 01 PM PDT            2.93             28         +              Normal
  04/07/2026 02 PM PDT            2.94             28         +              Normal
  04/07/2026 03 PM PDT            2.94             28         0              Normal
  04/07/2026 04 PM PDT            2.94             28         0              Normal
  04/07/2026 05 PM PDT            2.92             27         -              Normal
  04/07/2026 06 PM PDT            2.93             28         +              Normal
  04/07/2026 07 PM PDT            2.95             29         +              Normal
  04/07/2026 08 PM PDT            2.98             32         +              Normal
  04/07/2026 09 PM PDT            2.99             33         +              Normal
  04/07/2026 10 PM PDT            3.00             34         +              Normal
  04/07/2026 11 PM PDT            2.99             33         -              Normal
  04/08/2026 12 AM PDT            2.99             33         0              Normal
  04/08/2026 01 AM PDT            2.97             31         -              Normal
  04/08/2026 02 AM PDT            2.97             31         0              Normal
  04/08/2026 03 AM PDT            2.97             31         0              Normal
  04/08/2026 04 AM PDT            2.97             31         0              Normal
  04/08/2026 05 AM PDT            2.98             32         +              Normal
  04/08/2026 06 AM PDT            2.98             32         0              Normal
  04/08/2026 07 AM PDT            2.98             32         0              Normal
  04/08/2026 08 AM PDT            2.98             32         0              Normal
  04/08/2026 09 AM PDT            2.98             32         0              Normal
  04/08/2026 10 AM PDT            2.98             32         0              Normal
  04/08/2026 11 AM PDT            2.98             32         0              Normal
  04/08/2026 12 PM PDT            2.97             31         -              Normal
  04/08/2026 01 PM PDT            2.97             31         0              Normal
  04/08/2026 02 PM PDT            2.97             31         0              Normal
  04/08/2026 03 PM PDT            2.97             31         0              Normal
  04/08/2026 04 PM PDT            2.99             33         +              Normal
  04/08/2026 05 PM PDT            2.98             32         -              Normal
  04/08/2026 06 PM PDT            2.97             31         -              Normal
  04/08/2026 07 PM PDT            2.96             30         -              Normal
  04/08/2026 08 PM PDT            2.96             30         0              Normal
  04/08/2026 09 PM PDT            2.95             29         -              Normal
  04/08/2026 10 PM PDT            2.95             29         0              Normal
  04/08/2026 11 PM PDT            2.95             29         0              Normal
  04/09/2026 12 AM PDT            2.95             29         0              Normal
  04/09/2026 01 AM PDT            2.95             29         0              Normal
  04/09/2026 02 AM PDT            2.95             29         0              Normal
  04/09/2026 03 AM PDT            2.97             31         +              Normal
  04/09/2026 04 AM PDT            2.99             33         +              Normal
  04/09/2026 05 AM PDT            2.99             33         0              Normal
  04/09/2026 06 AM PDT            2.99             33         0              Normal
  04/09/2026 07 AM PDT            2.98             32         -              Normal
  04/09/2026 08 AM PDT            2.98             32         0              Normal
  04/09/2026 09 AM PDT            2.97             31         -              Normal
  04/09/2026 10 AM PDT            2.97             31         0              Normal
  04/09/2026 11 AM PDT            2.96             30         -              Normal
  04/09/2026 12 PM PDT            2.96             30         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/09/2026 01 PM PDT            2.96             30                        Normal
  04/09/2026 02 PM PDT            2.96             30         0              Normal
  04/09/2026 03 PM PDT            2.96             30         0              Normal
  04/09/2026 04 PM PDT            2.96             30         0              Normal
  04/09/2026 05 PM PDT            2.96             30         0              Normal
  04/09/2026 06 PM PDT            2.96             30         0              Normal
  04/09/2026 07 PM PDT            2.96             30         0              Normal
  04/09/2026 08 PM PDT            2.96             30         0              Normal
  04/09/2026 09 PM PDT            2.95             29         -              Normal
  04/09/2026 10 PM PDT            2.95             29         0              Normal
  04/09/2026 11 PM PDT            2.95             29         0              Normal
  04/10/2026 12 AM PDT            2.95             29         0              Normal
  04/10/2026 01 AM PDT            2.95             29         0              Normal
  04/10/2026 02 AM PDT            2.95             29         0              Normal
  04/10/2026 03 AM PDT            2.95             29         0              Normal
  04/10/2026 04 AM PDT            2.95             29         0              Normal
  04/10/2026 05 AM PDT            2.95             29         0              Normal
  04/10/2026 06 AM PDT            2.96             30         +              Normal
  04/10/2026 07 AM PDT            2.99             33         +              Normal
  04/10/2026 08 AM PDT            3.03             37         +              Normal
  04/10/2026 09 AM PDT            3.10             46         +              Normal
  04/10/2026 10 AM PDT            3.17             55         +              Normal
  04/10/2026 11 AM PDT            3.23             65         +              Normal
  04/10/2026 12 PM PDT            3.29             76         +              Normal
  04/10/2026 01 PM PDT            3.35             87         +              Normal
  04/10/2026 02 PM PDT            3.40             98         +              Normal
  04/10/2026 03 PM PDT            3.46            113         +              Normal
  04/10/2026 04 PM PDT            3.51            126         +              Normal
  04/10/2026 05 PM PDT            3.55            138         +              Normal
  04/10/2026 06 PM PDT            3.59            150         +              Normal
  04/10/2026 07 PM PDT            3.61            157         +              Normal
  04/10/2026 08 PM PDT            3.63            163         +              Normal
  04/10/2026 09 PM PDT            3.66            174         +              Normal
  04/10/2026 10 PM PDT            3.69            184         +              Normal
  04/10/2026 11 PM PDT            3.70            188         +              Normal
  04/11/2026 12 AM PDT            3.70            188         0              Normal
  04/11/2026 01 AM PDT            3.69            184         -              Normal
  04/11/2026 02 AM PDT            3.68            181         -              Normal
  04/11/2026 03 AM PDT            3.66            174         -              Normal
  04/11/2026 04 AM PDT            3.64            167         -              Normal
  04/11/2026 05 AM PDT            3.62            160         -              Normal
  04/11/2026 06 AM PDT            3.59            150         -              Normal
  04/11/2026 07 AM PDT            3.56            141         -              Normal
  04/11/2026 08 AM PDT            3.54            135         -              Normal
  04/11/2026 09 AM PDT            3.52            129         -              Normal
  04/11/2026 10 AM PDT            3.49            121         -              Normal
  04/11/2026 11 AM PDT            3.47            115         -              Normal
  04/11/2026 12 PM PDT            3.45            110         -              Normal
  04/11/2026 01 PM PDT            3.43            105         -              Normal
  04/11/2026 02 PM PDT            3.41            101         -              Normal
  04/11/2026 03 PM PDT            3.40             98         -              Normal
  04/11/2026 04 PM PDT            3.38             94         -              Normal
  04/11/2026 05 PM PDT            3.37             92         -              Normal
  04/11/2026 06 PM PDT            3.38             94         +              Normal
  04/11/2026 07 PM PDT            3.40             98         +              Normal
  04/11/2026 08 PM PDT            3.43            105         +              Normal
  04/11/2026 09 PM PDT            3.48            118         +              Normal
  04/11/2026 10 PM PDT            3.55            138         +              Normal
  04/11/2026 11 PM PDT            3.66            174         +              Normal
  04/12/2026 12 AM PDT            3.84            243         +              Normal
  04/12/2026 01 AM PDT            4.06            347         +              Normal
  04/12/2026 02 AM PDT            4.35            504         +              Normal
  04/12/2026 03 AM PDT            4.47            578         +              Normal
  04/12/2026 04 AM PDT            4.50            598         +              Normal
  04/12/2026 05 AM PDT            4.47            578         -              Normal
  04/12/2026 06 AM PDT            4.41            541         -              Normal
  04/12/2026 07 AM PDT            4.34            498         -              Normal
  04/12/2026 08 AM PDT            4.27            458         -              Normal
  04/12/2026 09 AM PDT            4.21            424         -              Normal
  04/12/2026 10 AM PDT            4.16            397         -              Normal
  04/12/2026 11 AM PDT            4.13            382         -              Normal
  04/12/2026 12 PM PDT            4.12            377         -              Normal
  04/12/2026 01 PM PDT            4.11            372         -              Normal
  04/12/2026 02 PM PDT            4.10            367         -              Normal
  04/12/2026 03 PM PDT            4.09            362         -              Normal
  04/12/2026 04 PM PDT            4.07            352         -              Normal
  04/12/2026 05 PM PDT            4.05            342         -              Normal
  04/12/2026 06 PM PDT            4.03            332         -              Normal
  04/12/2026 07 PM PDT            4.01            322         -              Normal
  04/12/2026 08 PM PDT            4.00            317         -              Normal
  04/12/2026 09 PM PDT            3.98            307         -              Normal
  04/12/2026 10 PM PDT            3.96            298         -              Normal
  04/12/2026 11 PM PDT            3.93            284         -              Normal
  04/13/2026 12 AM PDT            3.90            270         -              Normal
  04/13/2026 01 AM PDT            3.86            252         -              Normal
  04/13/2026 02 AM PDT            3.82            235         -              Normal
  04/13/2026 03 AM PDT            3.78            218         -              Normal
  04/13/2026 04 AM PDT            3.73            199         -              Normal
  04/13/2026 05 AM PDT            3.69            184         -              Normal
  04/13/2026 06 AM PDT            3.65            170         -              Normal
  04/13/2026 07 AM PDT            3.60            154         -              Normal
  04/13/2026 08 AM PDT            3.56            141         -              Normal
  04/13/2026 09 AM PDT            3.52            129         -              Normal
  04/13/2026 10 AM PDT            3.48            118         -              Normal
  04/13/2026 11 AM PDT            3.44            108         -              Normal
  04/13/2026 12 PM PDT            3.40             98         -              Normal
  04/13/2026 01 PM PDT            3.35             87         -              Normal
  04/13/2026 02 PM PDT            3.31             79         -              Normal
  04/13/2026 03 PM PDT            3.27             72         -              Normal
  04/13/2026 04 PM PDT            3.24             66         -              Normal
  04/13/2026 05 PM PDT            3.21             61         -              Normal
  04/13/2026 06 PM PDT            3.19             58         -              Normal
  04/13/2026 07 PM PDT            3.16             54         -              Normal
  04/13/2026 08 PM PDT            3.13             50         -              Normal
  04/13/2026 09 PM PDT            3.10             46         -              Normal
  04/13/2026 10 PM PDT            3.08             43         -              Normal
  04/13/2026 11 PM PDT            3.06             41         -              Normal
  04/14/2026 12 AM PDT            3.04             38         -              Normal
  04/14/2026 01 AM PDT            3.02             36         -              Normal
  04/14/2026 02 AM PDT            3.00             34         -              Normal
  04/14/2026 03 AM PDT            2.99             33         -              Normal
  04/14/2026 04 AM PDT            2.98             32         -              Normal
  04/14/2026 05 AM PDT            2.97             31         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.